Publications

Documents and Materials

All ICAO TRIP elements:

• ICAO TRIP Strategy Compendium (2017 Edition)
• ICAO TRIP Implementation Roadmap (December 2023)

Evidence of Identity:​

• ICAO Guide on Evidence of Identity (May 2018)

Machine Readable Travel Documents (MRTDs):

• Chip inside symbol
• Doc 9303: Machine Readable Travel Documents. (8th Edition)
• Doc 9303: Part 3- Specifications Common to all MRTDs-Spanish-Unedited
• Doc 9303 7th Edition Part11
• Guidance for Contingency Planning - Impact of COVID-19 on Travel Document Issuers (June 2021)
• Guidance - VDS for Travel-Related Public Health Proofs (September 2021)
• Guide Handling ICAO VDS-NC Health Proofs and EU-DCC V1.0 (April 2022)
• ISO Country codes for MRTDs (Alpha-2 and Alpha-3 codes)
• Guiding Core Principles for the Development of Digital Travel Credential (DTC) (October 2025)
• ICAO Guide for Collection of Best Practices for Acquisition of MRTD Goods and Services (March 2016)
• ICAO Guide for Circulating Specimen Travel Documents (April 2019)
• ICAO Guide for Roadmap for Implementation of New Specifications (April 2016)
• Guidance on Migrating CSCAs (April 2018)
• Clarification on the Chip Authentication with 3DES (September 2024)
• High Level Guidance explaining ICAO DTC (June 2024)
• Tip Sheet: Harmonizing document type two-letter code in Machine Readable Passports (MRPs)
• Doc 9303 Cryptographic Key Length Review (November 2024)
• Guidance for Communicating Changes to Travel Documents (2025)

Document Issuance and Control:

• ICAO - UNHCR Guide for Issuing Machine Readable Convention Travel Documents for Refugees and Stateless Persons (English - French - Spanish - Russian - Portuguese)
• ICAO Guide for Assessing Security of Handling and Issuance of Travel Document (2016)
  • English - Executive Overview (October 2009)
    • Part 1: Best Practices (February 2016)
    • Part 2: Assessment Guide (January 2010)

    • Part 3: A Guide for Experts (May 2016)

       

  • Français - Résumé (October 2009)
    • Partie 1: Pratiques exemplaires   (September 2010)

    • Partie 2: Guide d'évaluation  (January 2010)  

          

  • Español - Resumen ejecutivo (October 2009)  
    • Parte 1: Buenas prácticas (January 2010)

    • Parte 2: Guía para la evaluación (January 2010)

       

• ICAO Guide for Emergency Travel Documents (May 2016)

Inspection Systems and Tools:

• ICAO TRIP Guide on Border Control Management (BCM)
  • Part 1: Guidance (2018)
  • Part 2: Assessment Tool (2018)
  • Presentation on the Guide (February 2018)
  • ICAO Guide for Best Practice Guidelines for Optical Machine Authentication (February 2018)

Interoperable Applications:

• Doc 9957 – Facilitation Manual (extract of Chapter 9) (2nd Edition)
• Doc 9944 – Guidelines on Passenger Name Record (PNR) Data (First Edition) EN FR ES RU AR ZH
• WCO/IATA/ICAO Guidelines on Advance Passenger Information (API) (June 2022)
• WCO/IATA/ICAO Interactive Advance Passenger Information (iAPI) Best Practice (First Edition)
• The Implementation Steps of Advance Passenger Information (API) Systems (September 2025)
• Passenger Name Record (PNR) information (September 2025)
• API Guidelines & PNR Reporting Standards

ICAO Public Key Directory (PKD)

INTERPOL's database of Stolen and Lost Travel Documents (SLTD)

Technical Reports:

• LDS2 – PKI (Preliminary Publication) (March 2019)
• ICAO TR - Portrait Quality (April 2018)
• ICAO TR - Additional TD1-format (September 2023)
• ICAO TR - Complementary tests to ICAO doc 9303 Parts 3 and 4 (July 2023)
• ICAO TR - RF and Protocol Testing Part 3 (October 2025)
• ICAO TR - RF and Protocol Testing Part 4 (November 2025)
• ICAO TR - RF and Protocol Testing Part 5 (August 2022)
• ICAO TR - Digital Seal Testing Part 6  (August 2023)
• ICAO TR - Digital Travel Credentials (DTC VC) (October 2020)
• ICAO TR - Digital Travel Credentials PC (October 2022)
• ICAO TR - ICAO Datastructure for Barcode (September 2023)
• ICAO TR - 39794-5 eMRTD Application Profile (August 2023)
• ICAO TR - Visible Digital Seal-NC V1.4 (May 2022)
• ICAO TR - Digital Travel Authorizations (June 2021)
• Biometrics in the ICAO Traveller Identification Programme (TRIP) (September 2025)
• Additional TD1 and TD3 Size Layout Specifications for Machine Readable Travel Documents (MRTDs) (October 2025)